body,html
  line-height 1
  font-weight 200
  font-family 'PingFang SC', 'STHeitiSC-Light', 'Helvetica-Light', 'arial', 'sans-serif'

  .clearfix
    display inline-block
    &:after
      display block
      content "."
      height 0
      line-height 0
      clear both
      visibility hidden
@media (-webkit-min-device-pixel-ratio: 1.5),(min-device-pixel-ratio: 1.5)
  .border-1px
    &::after
      -webkit-transform scaleY(0.7)
      transform scaleY(0.7)

@media (-webkit-min-device-pixel-ratio: 2),(min-device-pixel-ratio: 2)
  .border-1px
    &::after
      -webkit-transform scaleY(0.5)
      transform scaleY(0.5)
